A remark on spurious eigenvalues in a sq
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D. Boffi; R.G. Duran; L. Gastaldi
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Article
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1999
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Elsevier Science
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English
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## Communicated by F. Brezzi Abstract--We study the finite element approximation of the eigensolutions of a second-order problem in a square arising in fluid-structure interaction. We analyze the schemes described in [1] and show that, when a uniform mesh is used, the first two methods produce spu